Ballespí Sola, Sergi, Maria Claustre Jané Ballabriga, y Maria Dolors Riba Lloret. 2015. «Further Validity Evidence of the Behavioral Inhibition Observation System (BIOS)». Psicothema 27 (Número 4):416-23. https://reunido.uniovi.es/index.php/PST/article/view/10990.